import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/login.vue'
import Home from '../components/home.vue'
import Welcome from '../components/welcome.vue'
import Users from '../components/users/Users.vue'
import Rights from '../components/Power/rights.vue'
import Roles from '../components/Power/roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/params.vue'
import List from '../components/goods/list.vue'
import Add from '../components/goods/add.vue'
import Order from '../components/order/order.vue'
import Report from '../components/report/report.vue'



Vue.use(VueRouter)




const router = new VueRouter({
        routes: [
            { path: '/', redirect: '/login' },
            { path: '/login', component: Login },
            {
                path: '/home',
                component: Home,
                redirect: '/welcome',
                children: [
                    { path: '/welcome', component: Welcome },
                    { path: '/users', component: Users },
                    { path: '/rights', component: Rights },
                    { path: '/roles', component: Roles },
                    { path: '/categories', component: Cate },
                    { path: '/params', component: Params },
                    { path: '/goods', component: List },
                    { path: '/add', component: Add },
                    { path: '/orders', component: Order },
                    { path: '/reports', component: Report }



                ]
            }
        ]
    })
    //挂载路由导航首位
router.beforeEach((to, from, next) => {
    // to 将要访问的路径
    // from代表从哪个路径跳转而来
    //next 是一个函数，表示放行   next()放行   next('/login')强制跳转
    if (to.path == '/login') { return next() } else {
        const tokenStr = window.sessionStorage.getItem('token');
        if (!tokenStr) return next('/login')
        next()
    }
})
export default router